| Margaret Leijonhufvud | |
|---|---|
 Painting by Johan Baptista van Uther | |
| Queen consort of Sweden | |
| Tenure | 1 October 1536 – 26 August 1551 |
| Coronation | 2 October 1536 |
| Born | 1 January 1516 Ekeberg Castle, Närke, Sweden |
| Died | 26 August 1551 (aged 35) Tynnelsö Castle, Södermanland, Sweden |
| Burial | Uppsala Cathedral, Sweden |
| Spouse | Gustav I of Sweden |
| Issue | John III of Sweden Catherine, Countess of East Frisia Cecilia, Margravine of Baden-Rodemachern Magnus, Duke of Östergötland Anna, Countess Palatine of Veldenz Sophia, Duchess of Saxe-Lauenburg Elizabeth, Duchess of Mecklenburg-Gadebusch Charles IX of Sweden |
| Father | Erik Abrahamsson Leijonhufvud |
| Mother | Ebba Eriksdotter Vasa |
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Margaret Leijonhufvud or Margareta Eriksdotter (1 January 1516 – 26 August 1551) was Queen of Sweden from 1536 to 1551 by marriage to King Gustav I. She played a political role as the advisor of, and the intermediary to, her spouse the King.